-  Small outline SMT packages with up to 16 50 mil spaced pins and 150 mil total width are called SOn. 
-  Small outline SMT packages with more than 16 50 mil spaced pins and 150 mil total width are called SOnN. 
-  Small outline SMT packages with 50 mil spaced pins and 200 mil total width are called SOnM. 
-  Small outline SMT packages with up to 20 50 mil spaced pins and 300 mil total width are called SOnW. 
-  Small outline SMT packages with more than 20 50 mil spaced pins and 300 mil total width are called SOn. 
-  Small outline SMT packages with 44 or more 50 mil spaced pins and 525 mil total width are called SOn. 
-  Metric shrink small outline SMT packages with 0.65 mm spaced pins and 323 mil total width are called MSSOPn. NOTE: To be confirmed. 
-  Metric shrink small outline SMT packages with up to 44 0.65 mm spaced pins and 420 mil total width are called MSSOPnW. 
-  Metric shrink small outline SMT packages with over 44 0.65 mm spaced pins and 545 mil total width are called MSSOPnW. 
-  Shrink small outline SMT packages with 25 mil spaced pins and 420 mil total width are called SSOPnW. 
-  Quarter size small outline SMT packages with 25 mil spaced pins and 244 mil total width are called SSOPn. 
-  Thin small outline SMT packages with 21.65 mil spaced pins and 535 mil total width are called TSOPn. 
-  Thin small outline SMT packages with 20 mil spaced pins and 795 mil total width are called TSOPnA. 
-  Thin small outline SMT packages with 20 mil spaced pins and 559 mil total width are called TSOPnB. 
-  Thin shrink small outline SMT packages with up to 28 26 mil spaced pins and 260 mil total width are called TSSOPn. 
-  Thin shrink small outline SMT packages with over 28 20 mil spaced pins and 319 mil total width are called TSSOPn. 
-  Ultra Super Mini SMT packages with up to 16 0.5 mm spaced pins are called USn. 
-  Plastic leadless chip carrier SMT are called PLCCn. 
-  Square quad-side at pack SMT are called QFPn x. 
-  Rectangular quad-side at pack SMT are called QFPn R. 
-  Square low profile quad-side at pack SMT are called LQFPn x. 
-  Square thin quad-side at pack SMT are called TQFPn x. 
-  Square Quad-side at no-lead SMT without exposed paddle (back side contact) are called QFNn x. Pin count is n and package size is x mm. 
-  Square Quad-side at no-lead SMT with exposed paddle (back side contact) are called QFNn x EP. Pin count is n and package size is x mm. 
-  Thin profile square Quad-side at no-lead SMT without exposed paddle (back side contact) are called TQFNn x. Pin count is n and package size is x mm. 
-  Thin profile square Quad-side at no-lead SMT with exposed paddle (back side contact) are called TQFNn x EP. Pin count is n and package size is x mm. 
-  Dual in line style crystal oscillators are OSC8 and OSC14. 
-  5 pin SOT SMT packages are SOT25 and SOT325. 
-  6 pin SOT SMT packages are SOT26 and SOT326.